Patent · US Expired

Laminated coated-material for cutting tool

US6379798B1 · kind B1 · utility

10Cited by
3References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 19, 1999
Grant dateApr 30, 2002
Priority date
Expiry dateOct 19, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

There is disclosed a laminated coated-material for cutting tool which comprises a laminated coated-sintered alloy in which on the surface of a substrate comprising a hard alloy or a cermet at least two layers containing an inner layer comprising aluminum oxide and positioned at the substrate side, and an outermost layer having a decorative color and positioned at the far most side of the substrate, and the outermost layer is so coated that it is peeled off by mechanical stress.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.